Abstract
THE ANDROMEDA NEBULA.—According to a notice in the September Journal of the Royal Astronomical Society of Canada, a determination made at Mount Wilson of the radial velocity of this nebula indicates a recessional motion of 329 km./sec. from measures of nine lines. The spectrogram was obtained on five consecutive nights during last November (thirty-four hours' exposure), by means of a small slit spectrograph at the primary focus of the 6o–in. reflector. There is stated to be no evidence of either bright lines or rotational displacement,
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Our Astronomical Column . Nature 96, 271 (1915). https://doi.org/10.1038/096271a0
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DOI: https://doi.org/10.1038/096271a0